72655271 has 8 divisors (see below), whose sum is σ = 78938160. Its totient is φ = 66471552.

The previous prime is 72655249. The next prime is 72655277. The reversal of 72655271 is 17255627.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72655271 - 2¹⁰ = 72654247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72655277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23261 + ... + 26198.

It is an arithmetic number, because the mean of its divisors is an integer number (9867270).

Almost surely, 2^72655271 is an apocalyptic number.

72655271 is a deficient number, since it is larger than the sum of its proper divisors (6282889).

72655271 is a wasteful number, since it uses less digits than its factorization.

72655271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49585.

The product of its digits is 29400, while the sum is 35.

The square root of 72655271 is about 8523.8061334125. The cubic root of 72655271 is about 417.2750094712.

The spelling of 72655271 in words is "seventy-two million, six hundred fifty-five thousand, two hundred seventy-one".